fishersci.com will be unavailable from 9 p.m. ET Friday, October 19, through 3:00 a.m. ET Saturday, October 20. Thank you for your patience as we complete scheduled maintenance. As always, should you require additional support, we invite you to call Customer Service at 1-800-766-7000 between the hours of 7:30 a.m. and 9 p.m. ET, Monday through Friday.